The use of poll taxes affected which of the following groups

Poor whites and African Americans.

A poll tax was a certain amount of money a person had to pay in order to vote. This type of tax was popular in the Southern states of the US after the end of the Reconstruction period. The goal was ultimately to keep as many African-Americans from voting as possible. However, it also negatively impacted poor white citizens, as they could not afford to pay the tax as well.

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